RF Cafe Software
About RF Cafe
1996 - 2022
BSEE - KB3UON
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.
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1789: The War Department established a regular army. 1858: Rudolf Diesel, German thermal engineer who invented the internal-combustion engine that bears his name, died. 1901: Italian-born Nobel physicist Enrico Fermi was born. 1914: A patent for a "Phonograph Record" was granted to Thomas Edison. 1915: The first transcontinental radio telephone demonstration was given in New York City, where speech was transmitted via Arlington, VA to Mare Island at San Francisco, CA. 1925: Aerovironment founder Paul MacCready, designer of the Gossamer series of human and solar powered aircraft, was born. 1946: "The Adventures of Sam Spade" debuted on CBS Radio. 1950: General MacArthur's troops liberated Seoul, South Korea. 1990: The California Air Resources Board adopted the Zero Emission Vehicle (ZEV) mandate requiring 2% of vehicles beginning in 1998 (rising to 5% in 2001, 10% in 2003) must have no exhaust emissions.